4204Vl blocking all forms of remote management
We have a year or so old 4204Vl with all modules filled, 96 gb ports and 4 gbic in all across the 4 modules. Suddenly today it started partially blocking a fibre link to a remote switch, and then locked up, so I power cycled it, ie pulled the kettle lead out, left it a few seconds and reconnected it.
All seems fine network wise, everything works as it should that is connected through it, all trunks, LACP, LAG, fibre links work again.
BUT I have now lost all forms of remote management access, telnet, HTTP, SNMP etc.
Anyone have any idea on what this could be?
Its still pingable, and have checked the ARP tables on a spare linux server (plenty of pings first)to make sure something hasn't been introduced to the network on the management address, by DHCP or otherwise(MAC in ARP matches switch's MAC)
Thanks in advance